Whether a magistrate judge can fully and finally accept a felony guilty plea with the defendant's consent

QUESTION PRESENTED Whether or not a magistrate judge can fully and finally accept a felony guilty plea with the defendant’s consent such that it cannot be withdrawn for any reason under Rule 11, or if the United States Constitution, the Federal Magistrates Act, and the Rules of Criminal Procedure require that such guilty plea be accepted by an Article III judge and until such time it can be withdrawn for any reason under Rule 11. i